Answer:
3
Step-by-step explanation:
The expression is
. To find the value, substitute the values x = 3 and y =-2 then follow order of operations.

The total number of leaves that was collected by Lisa is the product of the number of days in a week and the number of leaves she collected per tree. This is shown below,
(7 trees / week) x (7 leaves / 1 tree) = 49 leaves / week
Thus, Lisa collected 49 leaves in a week.
Answer:
i hope you get the answer
Step-by-step explanation:
Step-by-step explanation:
answer is in photo above
The cooler measurement should be measured in cm cubed, because you are finding the volume, which is three dimensional. The volume of the figure is 180 cm cubed. If you multiply the width, length, and height of the top object you get 36. When you add that to the volume of the bottom one (144) you get 180 cm cubed.